tl431a

The TL431A is a three-terminal adjustable precision shunt regulator. It features a programmable reference voltage that can be adjusted to any value between 2.5V and 36V, with a typical dynamic output impedance of 0.22Ω. This makes the TL431A suitable for use in a wide range of applications, including precision voltage regulation, adjustable power supplies, and battery charging circuits. The TL431A offers a high level of accuracy and stability, making it an ideal choice for critical voltage regulation requirements. It is available in a variety of packages, including the popular TO-92, SO-8, and SOT-23, providing designers with flexibility in choosing the most suitable package for their specific application. Overall, the TL431A is a versatile and reliable solution for precision voltage regulation, offering engineers the flexibility and performance needed to design high-quality, efficient, and stable power supply circuits.